This problem belongs to the division of mathematics.

This sentence is hard to read because it doesn't have any punctuation marks.

He is really attracted to good looks, always surrounded by beautiful women.

She opened her mouth wide in surprise.

He shook his head in response to the question.

I found a large sawtooth oak tree in the park.

Fish of the Isurus genus can swim fast.

He stood up to put on his new belt.

She offered a tribute of flowers at her father's grave.

Kuge is my best friend.